"water" tag

Could we use solar power to purify drinking water?

There has been significant recent research into the possibility of desalination using photo-thermal evaporators powered only by sunlight. The problem has been achieving an efficiency high enough to make such devices practical. Scientists…

Will we be restricted to a vegetarian diet by 2050?

Too much water required to ‘grow’ a steak.

Do we really need to drink two litres of water?

Researchers suggest our bodies need two litres of fluid per day, rather than two litres of water specifically.

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